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This article will explain in detail what physical devices were used in the first generation of computers, and the content of the article is of high quality, so the editor will share it with you for reference. I hope you will have a certain understanding of the relevant knowledge after reading this article.

The first generation of computers used physical devices: electronic tubes. The ENIAC is the first electronic computer in the world. It covers an area of 170square meters, weighs 30 tons, consumes about 150kW per hour and can perform 5000 calculations per second; it is used by the US Department of Defense for ballistic calculations.

The physical devices used in the first generation of computers are electronic tubes.

The world's first general-purpose computer "ENIAC" was born at the University of Pennsylvania on February 14, 1946. The inventors are American Moakley and J.PresperEckert.

The U.S. Department of Defense uses it for ballistic calculations. It is a behemoth that uses 18000 tubes, covers an area of 170square meters, weighs 30 tons, consumes about 150kW of power, and can perform 5000 calculations per second, which is negligible now, but it was unprecedented at the time.

ENIAC takes the electron tube as the component, so it is also called the tube computer, and it is the first generation of the computer.

Tube computer because of the large size of the tube, large power consumption, easy to heat, so the working time can not be too long.

Knowledge expansion:

Development of domestic computer (1965-1972)

In 1965, the Institute of Computing of the Chinese Academy of Sciences successfully developed China's first large-scale transistor computer: 109 B, improved 109 B, and launched 109 C two years later, which played an important role in China's two-bomb trial production and was praised as the "meritorious machine" by users.

The North China Institute of Computing has successfully developed 108,108B (DJS-6), 121m (DJS-21) and 320m (DJS-8), and produced them in five factories including 738 factories. From 1965 to 1975, the 738 factory produced more than 380 second-generation products such as 320 machines.

In February 1965, Harbin military Industry (predecessor of the University of National Defense Science and Technology) successfully launched 441B transistor computers and produced more than 40 sets in small batches.

Computer Development of small and medium-sized Integrated Circuits in China (1973-early 1980s)

In 1973, Peking University cooperated with Beijing Cable Power Plant to develop a large general-purpose computer with a computing speed of 1 million times per second. In 1974, Tsinghua University and other units jointly designed a successful DJS-130 minicomputer, and later launched a DJS-140 minicomputer, forming a series of products.

At the same time, take the North China Computing Institute as the main base, organize 57 units across the country to jointly design DJS-200 series computers, and also design and develop DJS-180 series super minicomputers. In the late 1970s, 32 institutes of the Ministry of Electronics and national defense

HKUST has successfully developed 655 and 151 machines, both of which are at speeds of one million times. In the 1980s, China's high-speed computers, especially vector computers, have made new developments.

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